The mean of five numbers is 27. If one number is excluded, their mean is 25.Find the excluded number.

Explanation

To find the excluded number from the five numbers, we can follow these steps:

### Step 1: Calculate the total sum of the five numbers
Given that the mean of the five numbers is 27, we can use the formula for the mean:

\[ \text{Mean} = \frac{\text{Sum of numbers}}{\text{Total numbers}} \]
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